Connected: An Internet Encyclopedia
RFC 1123 - 5.2.15 RFC-822 Syntax Change: RFC-822 Section 6.1

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### 5.2.15 RFC-822 Syntax Change: RFC-822 Section 6.1

The syntactic definition of "mailbox" in RFC-822 is hereby changed to:

         mailbox =  addr-spec            ; simple address
                 / [phrase] route-addr   ; name & addr-spec

That is, the phrase preceding a route address is now OPTIONAL. This change makes the following header field legal, for example:

         From: <craig@nnsc.nsf.net>

Next: 5.2.16 RFC-822 Local-part: RFC-822 Section 6.2

Connected: An Internet Encyclopedia
RFC 1123 - 5.2.15 RFC-822 Syntax Change: RFC-822 Section 6.1